JPS538159A - Color information selection method - Google Patents

Color information selection method

Info

Publication number
JPS538159A
JPS538159A JP8275176A JP8275176A JPS538159A JP S538159 A JPS538159 A JP S538159A JP 8275176 A JP8275176 A JP 8275176A JP 8275176 A JP8275176 A JP 8275176A JP S538159 A JPS538159 A JP S538159A
Authority
JP
Japan
Prior art keywords
color information
selection method
information selection
color
filter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP8275176A
Other languages
Japanese (ja)
Other versions
JPS6034686B2 (en
Inventor
Fusakichi Okochi
Hiroyoshi Funato
Toshiyuki Iguchi
Mitsuki Sagane
Motoaki Kawazu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP51082751A priority Critical patent/JPS6034686B2/en
Publication of JPS538159A publication Critical patent/JPS538159A/en
Publication of JPS6034686B2 publication Critical patent/JPS6034686B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Spectrometry And Color Measurement (AREA)
  • Color Image Communication Systems (AREA)

Abstract

PURPOSE: To discriminate and recognize colors by reading pictures without using a color filter and using a complementary filter for the color desired to be discriminated and obtaining differential signals.
COPYRIGHT: (C)1978,JPO&Japio
JP51082751A 1976-07-12 1976-07-12 Color information selection method Expired JPS6034686B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP51082751A JPS6034686B2 (en) 1976-07-12 1976-07-12 Color information selection method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51082751A JPS6034686B2 (en) 1976-07-12 1976-07-12 Color information selection method

Publications (2)

Publication Number Publication Date
JPS538159A true JPS538159A (en) 1978-01-25
JPS6034686B2 JPS6034686B2 (en) 1985-08-10

Family

ID=13783128

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51082751A Expired JPS6034686B2 (en) 1976-07-12 1976-07-12 Color information selection method

Country Status (1)

Country Link
JP (1) JPS6034686B2 (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54111213A (en) * 1978-02-20 1979-08-31 Hitachi Ltd Picture processing system
JPS54111224A (en) * 1978-02-20 1979-08-31 Hitachi Ltd Run length coding system of color pattern
JPS6085339A (en) * 1983-10-17 1985-05-14 Rohm Co Ltd Hue selecting device of light emitting element
US4577218A (en) * 1982-03-19 1986-03-18 Fuji Xerox Co., Ltd. Color separating circuit for producing red and black signals
JPS61241613A (en) * 1985-04-19 1986-10-27 Toppan Printing Co Ltd Determining device for halftone dot area ratio
US4633301A (en) * 1982-07-30 1986-12-30 Fuji Xerox Co., Ltd. Method and apparatus with white balancing correction for separating a color signal and its complement
JPS62158099U (en) * 1986-03-29 1987-10-07
JPS63222775A (en) * 1987-03-11 1988-09-16 上田　博巳 Rescue bag
US4879595A (en) * 1985-10-22 1989-11-07 Konishiroku Photo Industry Co., Ltd. Technique for reproducing an image read from a color original
US4970585A (en) * 1983-06-21 1990-11-13 Fuji Xerox Co., Ltd. Method and apparatus for reading multicolor manuscripts

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54111213A (en) * 1978-02-20 1979-08-31 Hitachi Ltd Picture processing system
JPS54111224A (en) * 1978-02-20 1979-08-31 Hitachi Ltd Run length coding system of color pattern
JPS5920309B2 (en) * 1978-02-20 1984-05-12 株式会社日立製作所 Image processing method
US4577218A (en) * 1982-03-19 1986-03-18 Fuji Xerox Co., Ltd. Color separating circuit for producing red and black signals
US4633301A (en) * 1982-07-30 1986-12-30 Fuji Xerox Co., Ltd. Method and apparatus with white balancing correction for separating a color signal and its complement
US4970585A (en) * 1983-06-21 1990-11-13 Fuji Xerox Co., Ltd. Method and apparatus for reading multicolor manuscripts
JPS6085339A (en) * 1983-10-17 1985-05-14 Rohm Co Ltd Hue selecting device of light emitting element
JPS61241613A (en) * 1985-04-19 1986-10-27 Toppan Printing Co Ltd Determining device for halftone dot area ratio
JPH0418767B2 (en) * 1985-04-19 1992-03-27 Toppan Printing Co Ltd
US4879595A (en) * 1985-10-22 1989-11-07 Konishiroku Photo Industry Co., Ltd. Technique for reproducing an image read from a color original
JPS62158099U (en) * 1986-03-29 1987-10-07
JPS63222775A (en) * 1987-03-11 1988-09-16 上田　博巳 Rescue bag

Also Published As

Publication number Publication date
JPS6034686B2 (en) 1985-08-10

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